Electrical Engineering Forum

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

Threads

Design Project Help: Electrical Resistance Measuring Device

  • shewdz
  • · Replies 1 ·
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1

What is the theory behind voltage dividers and current dividers?

  • logearav
  • · Replies 3 ·
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3

Reciprocity theorem and LTI systems

  • sokrates
  • · Replies 7 ·
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7

Induction vs electromagnetic repulsion: which is more efficient?

  • MaJiK9021
  • · Replies 1 ·
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1

When do inductors act like a short circuit and when they dont?

  • meanswing
  • · Replies 8 ·
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8

Can I Build a Better Dog Detector for My Motorized Doggie Door?

  • brianlojeck
  • · Replies 6 ·
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6

Fred's Simple E-field Sensor: Seeking Suggestions

  • estantef
  • · Replies 2 ·
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2

Water & Electricity Safety: Is it Necessary?

  • waater
  • · Replies 7 ·
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7
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7

Small dc motor control circuit help regd please.

  • josalsam001
  • · Replies 16 ·
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16

Dealing with reference voltages and Vdroop

  • Moffitt
  • · Replies 5 ·
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5

ElectroMagnet Suspension Project

  • Stagga
  • · Replies 1 ·
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1
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7

Resistive load bank testing for generator

  • pic498
  • · Replies 2 ·
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2

What Are the Key Benefits and Structure of Silicon On Insulator (SOI)?

  • Goalie_Ca
  • · Replies 4 ·
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4

Modulating 2.4GHz and 3MHz signals

  • lnetwork
  • · Replies 3 ·
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3

The Origin of Standard Resistor Values: A Fascinating History | Jason O

  • Jdo300
  • · Replies 2 ·
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2

Is Adding a Rotary Switch for Tone Control on an Electric Guitar a Good Idea?

  • arithmetix
  • · Replies 3 ·
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3

How to measure the frequency of a person humming?

  • gotem3303
  • · Replies 23 ·
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23

Cat's Free Energy Project - Discussions & Tips

  • sirblack40
  • · Replies 2 ·
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2
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2

Help with Witricity Circuit: Frequency 15MHz, 75cm Separation, 45% Efficiency

  • arniladoc12
  • · Replies 7 ·
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7

Elevator controller design project

  • Nyasha
  • · Replies 2 ·
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2

Need Help wiring 24VAC Sprinkler System

  • fazlis85
  • · Replies 12 ·
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12

CMOS Sensor Process: .50um & .35um Explained

  • nbo10
  • · Replies 6 ·
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6

Reactive Power: A Strange Concept?

  • Eero
  • · Replies 4 ·
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4

Converting Solar Energy into Electrical Energy

  • thekiso2009
  • · Replies 1 ·
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1

What really is a sinusoidal wave current (AC)?

  • patjk
  • · Replies 6 ·
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6

Using a magnetic core for an electromagnet

  • MaJiK9021
  • · Replies 2 ·
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2

Temperature rise in power transformers atheistrical

  • Carl Pugh
  • · Replies 1 ·
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1

Modulation: Why 455kHz is the IF Frequency

  • oufa
  • · Replies 2 ·
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2

Little Problem with phototransistor

  • anita1984
  • · Replies 6 ·
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6

Arcing or charge propogation within a container

  • BosonJaw
  • · Replies 8 ·
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8

Default Im looking for someone to help me read car wiring schematics

  • carguru
  • · Replies 1 ·
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1

Understanding Elliptical Polarization in Radio: Uses and Applications

  • fedaykin
  • · Replies 5 ·
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5

How Can I Get 12V for a DC Motor Using a 24V Supply?

  • StealthRay
  • · Replies 4 ·
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4

Understanding Resistance in Charging an Ultracapacitor

  • colintonks
  • · Replies 5 ·
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5

Electric Motors: Understanding How They Function

  • Quarkie
  • · Replies 4 ·
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4

UGV Hybrid System: Seeking Electrical Engineering Advice

  • UGVteam
  • · Replies 12 ·
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12

Why is 455 kHz the chosen IF frequency in superheterodyning?

  • oufa
  • · Replies 6 ·
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6

Concept of slip speed in Self Excited Induction Generator (SEIG)

  • b.shahvir
  • · Replies 4 ·
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4

Inverter circuit shoot-thru HELP

  • famousken
  • · Replies 2 ·
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2

Bridge rectifier and symmetric power supply

  • anonymoussome
  • · Replies 2 ·
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2
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3

How can ORCAD PSPICE help with simulating an LM324 op amp circuit?

  • anonymoussome
  • · Replies 4 ·
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4

Need help to understand this circuit

  • aruna1
  • · Replies 1 ·
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1

Bipolar transistors and pulse amplification

  • fairchild1
  • · Replies 12 ·
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12

How Can a PM Generator Be Reconfigured to Drive a Turbine Compressor?

  • infinite_gbps
  • · Replies 1 ·
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1

Convert 110 house current to 12 v.

  • Bits
  • · Replies 2 ·
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2

Where to purchase a 1.7 GHz Oscillator

  • hashmos
  • · Replies 4 ·
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4

Designin (very simple) oscillator circuit

  • dalarev
  • · Replies 8 ·
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8
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7

PhotoTransistor and Hex Schmitt trigger Inverter

  • anita1984
  • · Replies 7 ·
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7

External power source for rope lights

  • scotty2024
  • · Replies 3 ·
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3

Current Transformer Accuracy Under %5 Load Level

  • HakanEryurt
  • · Replies 2 ·
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2

Temperature rise in Power Transformer

  • atheistrical
  • · Replies 1 ·
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1

Super conductor/insulator question.

  • Mighty_quinn
  • · Replies 6 ·
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6

Advice on regulating a 6V motorcycle alternator.

  • Nick E
  • · Replies 16 ·
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16

Optimizing Motor Start Frequency for 13000 Volt Switch Gear

  • kraxup
  • · Replies 3 ·
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3

Resistive hybrid for soundcard to enable speakerphone skype calls

  • arithmetix
  • · Replies 6 ·
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6
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4
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2

Difference equation vs differential equation

  • swraman
  • · Replies 2 ·
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2

Question about Coax for Rural Areas w/ Direct TV

  • Ivan Seeking
  • · Replies 20 ·
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20
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1

IR Light Curtain Circuit Questions

  • brooksENG
  • · Replies 8 ·
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8

Electromagnet, and unanswered questions

  • nikunter
  • · Replies 9 ·
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9

Maximizing PV Panel Output with MPPT and Microinverters

  • seb7
  • · Replies 3 ·
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3

Sad News for EE Forum - Remembering negitron

  • Redbelly98
  • · Replies 1 ·
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1

LED Project Info: Theory & Resources for CPGE Students

  • JPC
  • · Replies 2 ·
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2
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2

Determining Frequency of RF Signals: Seeking Guidance

  • buzachaka
  • · Replies 4 ·
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4

Current to Voltage Op-amp problem

  • Jdo300
  • · Replies 8 ·
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8

EMC noise in instrumentation amplifier.

  • lavoie23
  • · Replies 2 ·
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2

Reset Button Functionality: Pulling High vs. Pulling Low

  • tenacity2986
  • · Replies 4 ·
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4

Optimizing Cooling Efficiency: Factors to Consider for Coiled Tubing Length

  • origen87
  • · Replies 19 ·
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19

Solving a Circuit Problem with SPDT Switches

  • frenchero
  • · Replies 4 ·
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4

How electricity REALLY travels at light speed

  • stephen163
  • · Replies 11 ·
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11
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18

Compact Diode Options for Small Circuit Designs | 1N4148 Alternatives"

  • aruna1
  • · Replies 9 ·
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9

PSC, current and Node Voltage Analysis

  • Weird Fishes
  • · Replies 2 ·
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2

Where to get the microelectronic circuit design for jaeger

  • oufa
  • · Replies 1 ·
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1

Help making a digital delay circuit

  • k.stuart.p
  • · Replies 4 ·
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4

Modulating super bright LEDs helpplease

  • Willys
  • · Replies 16 ·
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16

DC Brushless Motor Rotor Steps: 4 Poles North/South?

  • anita1984
  • · Replies 5 ·
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5

Does a capacitor hide the load?

  • Voice Box
  • · Replies 2 ·
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2

What is a looking into resistance?

  • muhandis
  • · Replies 5 ·
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5

Why Does Current Rise Exponentially in a Diode After Reaching +0.6V?

  • earlofwessex
  • · Replies 5 ·
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5

What happens in an idealized circuit with a sudden change in impedance?

  • ╔(σ_σ)╝
  • · Replies 14 ·
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14

Switching 2 AC sources to a single load

  • ironmikea
  • · Replies 11 ·
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11

Online Resources for Electronics and Electrical Engineering

  • seouldavid
  • · Replies 3 ·
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3

Whats a good uC family for DSP and analysis?

  • Topher925
  • · Replies 4 ·
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4

Antenna dimention vs wave length

  • oufa
  • · Replies 5 ·
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5

Circuit for determining the internal resistance of a dry cell

  • jackmannn
  • · Replies 1 ·
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1

Why does the internal resistance of a cell increase as it ages?

  • mayan
  • · Replies 2 ·
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2

How Does Substitution Work in Mesh Analysis Equations?

  • Novark
  • · Replies 4 ·
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4

Difference between mechanical switch and a transistor switch?

  • user111_23
  • · Replies 5 ·
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5
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5

Why Is My DIY Lie Detector Not Working?

  • Dan90
  • · Replies 30 ·
2
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30

Path of least resistence, static wire in B field or moveable wire?

  • Matus1976
  • · Replies 1 ·
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1